Name

dev_get_by_index_rcu — find a device by its ifindex

Synopsis

struct net_device * dev_get_by_index_rcu (struct net * net,
 int ifindex);
 

Arguments

struct net * net

the applicable net namespace

int ifindex

index of device

Description

Search for an interface by index. Returns NULL if the device is not found or a pointer to the device. The device has not had its reference counter increased so the caller must be careful about locking. The caller must hold RCU lock.